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// Copyright 2022 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "src/tint/sem/expression.h"
#include "src/tint/sem/test_helper.h"
#include "src/tint/sem/materialize.h"
using namespace tint::number_suffixes; // NOLINT
namespace tint::sem {
namespace {
class MockConstant : public sem::Constant {
public:
explicit MockConstant(const type::Type* ty) : type(ty) {}
~MockConstant() override {}
const type::Type* Type() const override { return type; }
std::variant<std::monostate, AInt, AFloat> Value() const override { return {}; }
const Constant* Index(size_t) const override { return {}; }
bool AllZero() const override { return {}; }
bool AnyZero() const override { return {}; }
bool AllEqual() const override { return {}; }
size_t Hash() const override { return 0; }
private:
const type::Type* type;
};
using ExpressionTest = TestHelper;
TEST_F(ExpressionTest, UnwrapMaterialize) {
MockConstant c(create<type::I32>());
auto* a = create<Expression>(/* declaration */ nullptr, create<type::I32>(),
sem::EvaluationStage::kRuntime, /* statement */ nullptr,
/* constant_value */ nullptr,
/* has_side_effects */ false, /* root_ident */ nullptr);
auto* b = create<Materialize>(a, /* statement */ nullptr, &c);
EXPECT_EQ(a, a->UnwrapMaterialize());
EXPECT_EQ(a, b->UnwrapMaterialize());
}
} // namespace
} // namespace tint::sem